Now, to an incredible claim by a respected oxford researcher. He says he has prove that the yeti, the abominable snowman of the himalayas is real. And its descendants are alive. Reporter: The myth of the yeti, fueled by the grainy photographs, the monstrous footprints and our wild imaginations might not be a myth after all. I've collected hair samples from creatures that are thought to have been yetis. Reporter: One hair from a weird creature shot by a himalayan bear hunter 40 years ago. The other stuck to a bamboo chute in a forest, by a film crew, just ten years ago. Now, the dna from the mysterious himalayan hairs prove a 100% watch with an ancient polar bear that died on an arctic island more than 40,000 years ago. Leading our professor to make a startling claim. Yeti lives. It's some kind of new bear species. Reporter: Smaller than the yetis we've seen in "monsters inc." Do I look abominable to you? Reporter: Or the one in the rudolph the red-nosed tv special. They crossed with brown bears. And their descendants survive to this day, roaming high in these snowy mountains. For "good morning america," nick watt, abc news, los angeles.

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